209028182413 has 2 divisors, whose sum is σ = 209028182414. Its totient is φ = 209028182412.

The previous prime is 209028182401. The next prime is 209028182431. The reversal of 209028182413 is 314281820902.

Together with next prime (209028182431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172655208324 + 36372974089 = 415518^2 + 190717^2 .

It is a cyclic number.

It is not a de Polignac number, because 209028182413 - 2¹³ = 209028174221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (209028182443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104514091206 + 104514091207.

It is an arithmetic number, because the mean of its divisors is an integer number (104514091207).

Almost surely, 2^209028182413 is an apocalyptic number.

It is an amenable number.

209028182413 is a deficient number, since it is larger than the sum of its proper divisors (1).

209028182413 is an equidigital number, since it uses as much as digits as its factorization.

209028182413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 209028182413 in words is "two hundred nine billion, twenty-eight million, one hundred eighty-two thousand, four hundred thirteen".